Gluten Free Blueberry Muffins

Ingredients (8)

• + 1 ½ cups confectioners' sugar add to pantry
• + 1 cup almond meal add to pantry
• + ¾ cup butter, melted add to pantry
• + ½ cup gluten-free flour add to pantry
• ✓ 6 egg whites, beaten
• + ¼ teaspoon xanthan gum add to pantry
• + ¾ cup fresh blueberries add to pantry
• + 2 tablespoons confectioners' sugar for dusting add to pantry